baber/WOPTO huggingface dataset:
Patent JP-S5928602-A (JP)
Title: Circuit for deciding forward end shape of electrode of welding device using non-consumable electrode
Inventor: HIRAMATSU MASAKI
IPC: G01B7/00
Filed: 1982-08-10
Abstract: PURPOSE:To check the consumption state of an electrode and to obviate welding with an inadequate electrode in the stage of starting welding, etc. by comparing the arc voltage when a specified current is flowed to a specified arc length and the voltage of a reference signal circuit. CONSTITUTION:A driving circuit 7 runs motor 6 upon starting of welding, and a torch 1 moves downward. An arc length setting circuit 8 detects the contact of an electrode 2 with a base material 4 and pulls the torch 1 by a specified distance. The initial current by an initial current setter 9 flows and the arc voltage and the output of a reference signal circuit 12 are compared in a comparator 13. If said output is of the value having no problems in welding, a judging circuit 14 emits a command to a current change-over circuit 11 which changes over the setter 9 to a welding current setter 10 thereby progressing the welding operation. If the output is inadequate, the setter 9 is interrupted and the cutting operation by melting is stopped.
Patent JP-S5472289-A (JP)
Title: Preparation of dispersed resin composition
Inventor: MORI KAORU
IPC: C08F20/26
Filed: 1977-11-21
Abstract: PURPOSE: To prepare a stably dispersed resin composition, by polymerizing a monomer, which gives a polymer insoluble in an aqueous medium, in the medium wherein a specific acrylic copolymer is dissolved as a dispersing agent.  
     CONSTITUTION: (A) About 30W70 wt.% of an alkylene oxide adduct of (meth) acrylic acid, e.g. 2-hydroxy-ethyl(meth)acrylate is copolymerized with (B) about 30W70 wt.% of (meth)acrylic acid and (C) about 40 wt.% or less of a monomer, e.g. methyl(meth)acrylate, etc., having a polymerizable unsaturated bond in an aqueous medium to form a water-soluble polymer having a solid acid value ≥ about 200. Polymerizable monomers, e.g. methyl(meth)acrylate, vinyl acetate, styrene, etc. are polymerized in an aqueous medium containing the water-soluble polymer as a dispersing agent to give a dispersed resin composition. The weight ratio of the dispersing agent to the monomers is preferably about 0.5W60:99.5W40. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H10329265-A (JP)
Title: Organic film coated steel sheet with excellent corrosion resistance, corrosion resistance after alkali degreasing and paintability
Inventor: YOSHIMI NAOTO
IPC: B32B15/08
Filed: 1997-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a zinc-plated steel sheet with excellent white rust resistance, white rust resistance after alkali degreasing and paint adhesion by providing safe and no public pollution conversion treatment in manufacturing step and further using step. SOLUTION: Si-Al composite oxide film containing Al/(Al+Si) ratio of 0.01 to 0.8 of mole ratio in the film and further a ratio of 0.005 to 5 of polyethyleneglycol to Si of an adhering amount of 2 to 5000 mg/m<2> of total sum of in terms of both the Si and Al is provided on a surface of a zinc-plated steel sheet, and an organic resin film or organic composite silicate film having a thickness of 0.1 to 3 μm is further provided on the surface.
Patent JP-S5665355-A (JP)
Title: Cassette loading-unloading device
Inventor: OGATA SHIYUU
IPC: G11B15/675
Filed: 1979-10-26
Abstract: PURPOSE:To obtain a loading-unloading device that provides well balanced loading and unloading forces by providing an inverting spring and subordinate driving lever spring and by ejecting a cassette by the energy of the above-mentioned springs in ejection of the cassette. CONSTITUTION:In addition to rack 33 interlocking with cassette holder 2, main driving lever 50, subordinate driving lever 49 and inverting spring 32 are provided. Further, upwards and downwards moving lever 18, ejection lever 58, etc., are provided. In this constitution, inserting holder 2 into guide plates 4 and 7 moves rack 33 forth and main driving lever 50 and then subordinate driving lever 49 are interlocked against the activating force of spring 54, so that inverting spring 32 reaches the dead point position via gear 30. As holder 2 reaches the final position, holder 2 drops via lever 18 and the play mode is set. With ejection lever 58 pushed, lever 49 is unlocked to return rack 33 to the start position of lever 49 by the energy of spring 54 and then spring 32 is inverted to return rack 33 to the original position. Thus, loading force and unloading force are well balanced.
Patent JP-S621235-A (JP)
Title: Semiconductor device
Inventor: YAMAMOTO KAZUHIKO
IPC: H01L21/31
Filed: 1985-06-27
Abstract: PURPOSE:To reduce the variation of threshold voltage due to radiation exposure by also forming an insulating film onto the back of a semiconductor substrate. CONSTITUTION:An silicon nitride film 12 is shaped onto an element region in an silicon substrate 11, and field oxide films 13 are formed onto the surface of the substrate 11. An silicon oxide film 14 in the same thickness is also shaped onto the back of the substrate, and an silicon nitride film 15 is formed onto the oxide film 14. The silicon nitride film 12 on the surface side of the substrate is peeled, ions are implanted to predetermined regions to each shape source-drain regions, a gate oxide film 16 is formed onto the surface of an element region in the substrate 11, and a polycrystalline silicon layer is deposited, and a gate electrode 18 is shaped through patterning. Contact holes 17 and leading-out electrodes 19 are formed at the prescribed positions of the field oxide films 13, and the silicon nitride film 15 on the back is peeled, thus manufacturing a MOS type transistor. Accordingly, the variation of threshold voltage and the fluctuation of flat band voltage can be reduced.
Patent JP-H10319359-A (JP)
Title: Wavelength lock system for wavelength variable filter, wavelength lock device and wavelength multiple communication network
Inventor: MAJIMA MASAO
IPC: H04B10/07
Filed: 1997-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a wavelength lock system capable of increasing a wavelength shift after a wavelength is locked without lowering the performance of wavelength lock. SOLUTION: This system is the wavelength lock system follow-up controlling a peak wavelength of a transmission spectrum of a wavelength variable filter 114 to a light source wavelength by operating a control signal controlling the operation state of the filter. A bias correction circuit 111 detects an operation signal generated by a feedback control system in a wavelength lock control system feedback controlling using an error signal, and corrects the bias component of the control signal containing the operation signal controlling the operation state of the wavelength variable filter 114 so as to keep the absolute value of the operation signal not more than a prescribed value based on its value.
Patent JP-H04364791-A (JP)
Title: Semiconductor laser
Inventor: TANABE EIZO
IPC: H01S5/0232
Filed: 1991-06-12
Abstract: PURPOSE:To eliminate a thermal expansion difference between buffer resin and molding resin and to obviate peeling between the two resins or between the buffer resin and a laser diode element by specifying a depth of a lead frame coating from the end of a lead frame made of the buffer resin. CONSTITUTION:A laser diode element mounted on a main flat surface of a lead frame 4a and leads connected to the element are double molded by using first light transmission resin (buffer resin) 8 covering both the element and the leads and second light transmission resin (molding resin) 6 covering the outside. In this resin-molded semiconductor laser, a covering depth ZM of the frame 4a from the end of the frame of first resin is decided so as to satisfy next equation. ZM=D(alphaB/alphaM), where D is a thickness of the laser light transmitting region of the first resin, alphaB is a thermal expansion coefficient of the first resin, and alphaM is a thermal expansion coefficient of the second resin.
Patent JP-S5928320-A (JP)
Inventor: SAKURAI YASUO
IPC: H01G4/224
Filed: 1982-08-10
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H08333450-A (JP)
Title: Production of polyimide
Inventor: OKAWA YUICHI
IPC: C08G73/10
Filed: 1995-06-06
Abstract: PURPOSE: To obtain a process for producing a polyimide which contains little residual solvent and has a good dimensional stability by using a specific solvent in obtaining a polyimide by the reaction of a specific arom. diamine compd. with a tetracarboxylic dianhydride. CONSTITUTION: In the process for producing a polyimide having repeating units represented by formula VIII by reacting an arom. diamine compd. represented by formula I [wherein X is a direct bond, SO2 , CO, 0, S, C(CH3 )2 , or C(CF3 )2 ] with a tetracarboxylic dianhydride represented by formula II [wherein Ar is a group represented by formula III, IV, or V (wherein Ar' is a direct bond, O. CO, SO2 , CH2 , C(CH3 )2 , C(CF3 )2 , or a group represented by formula VI or VII], the reaction is conducted in a solvent mixture comprising at least two solvents selected from among a water-sol. ether compd., a water-sol. alcohol compd., a water-sol. amide compd., a water-sol. ketone compd., and water and the resulting polyimide precursor is thermally or chemically imidized.
Patent JP-H114279-A (JP)
Title: Method and mechanism for transmission between advanced systems
Inventor: THOMAS ANTHONY GREG
IPC: H04L12/56
Filed: 1998-05-21
Abstract: PROBLEM TO BE SOLVED: To reduce or greatly release participation of a central processor in a move in a central processing complex of a communication link response received by using an address specified by an intersystem channel when the central processor transmits a command and storing a response from a system on the side of command reception in a main memory of a system on the side of command transmission. SOLUTION: Computer elements 102 and 104 are connected by a intersystem channel link 106. In order to transfer a command, data and response, transmission buffers 116 and 112 and reception buffers 118 and 120 are used in the computer elements 102 and 104. The reception buffers 118 and 120 are executed as an array dedicated to the intersystem channel link 106 so that it can always be accessed to by the transmitters and receivers 112 and 114 and they do not exist in a main processor memory inside the computer elements 102 and 104. Thus, it is possible to greatly reduce participation of the computer elements 102 and 104.
Patent JP-H10333210-A (JP)
Title: Finder optical system for thin camera
Inventor: SHONO TETSUJI
IPC: H04N5/225
Filed: 1997-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a finder optical system capable of making its power high and obtaining desired zoom power and zoom ratio, in a thin camera. SOLUTION: In the optical system, a first reflection mirror 35a refracts a main optical axis Om into the height direction of a camera by 90 deg., together with first - fourth lenses 34a-34d for executing an image forming operation and a second reflection mirror 35b refracts the refracted optical axis into the width direction of the camera by 90 deg.. A third reflection mirror 35c refracts the refracted optical axis into a direction opposite to the height direction of the camera by 90 deg.. A fourth reflection mirror 35d refracts the refracted optical axis into the direction parallel with the main optical axis Om by 90 deg.. Thus, the length of the optical axis can be made greater regardless of the reduction in thickness of the camera, so that the finder optical system having high finder power or zooming structure can be constituted.
Patent JP-H01309532-A (JP)
Title: Radio telephone system
Inventor: YAMAGUCHI MASANORI
IPC: H04B7/26
Filed: 1988-06-08
Abstract: PURPOSE:To send a control data with high quality in a short time by using a data transmission line switching means so as to send the control data not through a compander at the connection of a radio line and sending the control data via the compander after the connection of the radio line. CONSTITUTION:Data transmission line switching means 64, 65 are provided to send a control data not through companders 55, 58 at the connection of a radio line and the control data is sent via the companders 55, 58 after the connection of the radio line. As a result, the control data is sent not through the companders 55, 58 the same as a conventional system at the connection of radio line, while the control data is sent via the companders 55, 58 after the connection of the radio line. Thus, the control data such as a remote control data and dial information are not subject to unnatural waveform distortion by the companders 55, 58 after the connection of the radio line. Then the data transmission quality is improved and the length of the control data is decreased to reduce the data transmission time.
Patent JP-H08335715-A (JP)
Title: Epitaxial wafer and its manufacture
Inventor: SATO TADASHIGE
IPC: H01L21/205
Filed: 1995-06-06
Abstract: PURPOSE: To increase the light output and form a good ohmic electrode by forming a P-type layer with a first P-type layer and a second P-type layer and making the carrier concentration higher in the second P-type layer than in the first P-type layer. CONSTITUTION: A GaP substrate 1, a composition changing layer 2, and composition fixed layers 3, 4 are formed. A first P-type layer 6 is formed by vapor phase growth and a second P-type layer 7 is formed by thermal diffusion which occurs after the vapor phase growth. The carrier concentration at the PN- junction face side of the first P-type layer is 0.5-5×10<18> cm<-3> , preferably 0.8-3×10<18> cm<-3> . With the first P-type layer 6 and the second P-type layer, it does not matter whether nitrogen is doped, parts of the layers are not doped, or doping is not done at all. The P-type layer which is to be used for ohmic contact is so formed that the carrier concentration may be 5×10<18> cm<-3> or above, preferably 8×10<18> cm<-3> , which lets this device have a structure very much suitable for LED.
Patent JP-S62295045-A (JP)
Title: Silver halide black and white photographic sensitive material
Inventor: OKAMURA HISASHI
IPC: G03C1/30
Filed: 1986-06-16
Abstract: PURPOSE:To obtain the titled material capable of maintaining stable characteristics, even in case of the lapse of time by incorporating a curing agent which acts by activating a carboxyl group, to the titled material, thereby accelerating the curing reaction rate of gelatin, and using the curing agent which has less posthardening to the titled material respectively. CONSTITUTION:The titled material contains the curing agent which acts by activating the carboxyl group. The preferable carboxyl group activating type curing agent is preferably exemplified by a compd. shown by formula I. In formula I, R<1> and R<2> are each 1-10C alkyl group, 6-15C aryl group or 7-15C aralkyl group, and may be same or different with each other, R<3> is each hydrogen atom, halogen atom, carbamoyl group, sulfo group, sulfoxy group, etc., X<-> is an anion, and is a pair ion of N-carbamoyl pyridinium salt. Thus, the curing reaction of gelatin increases, and the curing agent which has less posthardening, is used in the titled material, thereby maintaining the stable performance of the titled material, even in case of the lapse of time.
Patent JP-H05308055-A (JP)
Title: Manufacture of mos type semiconductor device
Inventor: INOUE YASUNORI
IPC: H01L29/43
Filed: 1992-04-30
Abstract: PURPOSE:To furnish a manufacture of an MOS type semiconductor device which makes it possible to form a gate electrode wiring without causing deterioration of a gate oxide film. CONSTITUTION:After a gate oxide film 2, a gate electrode film 3 and a resist mask pattern 4 are formed on a semiconductor substrate 1, the gate electrode film 3 is etched to the middle by a magnetic-field high-density plasma 5. In succession, the gate electrode film 3 is etched to the end by a non-magnetic-field low-density plasma 6 and then the resist mask pattern 4 is peeled off. According to this method, charging at the time of formation of a wiring pattern of an MOS type semiconductor device is suppressed, an injection charge amount is reduced and, as the result, the prevention of deterioration of the gate oxide film is enabled.
Patent JP-S5566595-A (JP)
Title: Purification of alkylphenyl phosphate
Inventor: MUKAI SADAYOSHI
IPC: C07F9/12
Filed: 1978-11-13
Abstract: PURPOSE: To prepare the title compound having improved electrical properties and useful as an inpregnating oil for capacitors, by washing a crude alkylphenyl phosphate with an alkali, adsorbing with china clay in a dry gas atmosphere, and dehydrating under reduced pressure, thereby removing the impurities such as free phenols.  
     CONSTITUTION: A crude alkylphenyl phosphate (e.g. tricresyl phosphate) containing ≤0.03wt% of free phenols is purified by (1) washing with an alkaline compound (e.g. 1W7% aqueous solution of ammonia), (2) adsorbing the impurities with china clay (e.g. acid clay) in a dry gas atmosphere, and (3) dehydrating under reduced pressure. Capacitors impregnated with the compound have higher survival rate (a 1 , a 2 , and a 4 ) than those impregnated with crude oil (a 6  and a 9 ) by applying an AC voltage higher than the rating voltage. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S62298709-A (JP)
Title: Position measuring apparatus
Inventor: OOTA YASUKI
IPC: G01B21/00
Filed: 1986-06-18
Abstract: PURPOSE:To measure an accurate position, by preventing false counting caused when an inversion is invited on an incremental encoder. CONSTITUTION:A rotary incremental encoder 1, in proportion to a rotating amount of a rotary shaft to be measured, converts outputs of A- and B-phases with a phase-identifying circuit 2 into a UP-pulse or DOWN-pulse and the pulse is counted with an up-down counter 3 for issuing out the rotating amount (position data). In said identifying apparatus 2, in rise-time and breaking-time, when inversion of logic of the B-phase does not take place, neither UP-pulse nor DOWN-pulse is issued out. Consequently, regardness of a timing with which the incremental encoder 1 makes inversion, as a false counting is not created on the occasion of inversion, the counter 3 indicates always on accurate value and an accurate position can be measured.
Patent JP-S5366648-A (JP)
Title: Door for elevator cage
Inventor: MITOBE KOUKI
IPC: E06B3/72
Filed: 1976-11-24
Abstract: PURPOSE: To effectively prevent a decorative plate from swelling, cracking, and adhesive degradation by absorbing the volume variation of the plate. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S631388-A (JP)
Title: Controller for motor
Inventor: KOJIMA SEIYA
IPC: H02P29/00
Filed: 1986-06-18
Abstract: PURPOSE:To suppress the resonance of a control system due to the resonance of a shaft joint by multiplying a transfer function of the reciprocal of a resonance term due to the joint. CONSTITUTION:The transfer function 8A of a speed controller is obtained by multiplying a transfer function [S<2>+K{(1/J)+(1/Jre)}]/(K/Jre) of the reciprocal of the resonance term of a cyclic transfer function due to a shaft joint. A transfer function 10 corresponding to a speed feedback circuit detects a speed feedback signal from the speed omegaM of the rotational shaft of a rotary detector and outputs a speed feedback signal Sfb. A deviation signal between a signal Sfb and a speed command omegaM* is applied to 8A, and a current command signal is applied to a current controller 9.
Patent JP-S62298367-A (JP)
Inventor: TAKAHATA KENICHIRO
IPC: A61M27/00
Filed: 1986-06-18
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S62297877-A (JP)
Title: Image forming device
Inventor: MOCHIDA YOSHINORI
IPC: G03G15/01
Filed: 1986-06-18
Abstract: PURPOSE:To improve the quality of an image by preventing a transfer supporting member from the sticking of unnecessary toner. CONSTITUTION:When a developing device is moved to a developing position close to a photosensitive body, toner starts to stick to the developing device and toner existing in the preceding part of an image area arrives at a cleaning device 4, the toner is removed by a cleaning brush 4a. Immediately before the arrival of the image at the brush 4a, a solenoid 4b is turned on, the brush 4a recedes to an unoperable position and a toner image reaches a transfer position T and transferred to a transfer material. When the developing device starts to recede to the unoperable position after the end of transfer, the solenoid 4b is turned off and the brush 4a is abutted upon the photosensitive body 2 by the action of a spring 4d, cleans up all the toner existing in the upstream side from the back end of the image area and then turns its state for preparing the succeeding developing and transferring work. Consequently, toner other than the toner image area can be removed prior to transfer and the quality of an image can be improved.
Patent JP-H036049-A (JP)
Title: Lead frame
Inventor: MATSUDA MOTOAKI
IPC: H01L23/50
Filed: 1989-06-02
Abstract: PURPOSE:To prevent an island from being deformed during a resin sealing operation, to prevent a metal thin wire from being cut and to enhance reliability of a semiconductor device by a method wherein a protrusion-shaped support body is installed at a peripheral edge part of the island and the island is supported by a metal mold for resin sealing use. CONSTITUTION:An island 1 is installed so as to be supported by a frame 3 at its periphery by means of suspension leads 2. Protrusion-shaped support bodies 5 are installed, in a vertical direction, at four corners of the island 1 on the surface and the rear surface. A height of the support bodies 5 is set to a height corresponding to a thickness of a resin body 8 sealing the island 1 so as to include the island. Electrodes of a semiconductor chip 6 mounted on the island 1 and inner leads 4 are connected by using metal thin wires 7. Then, a resin is injected in a state that tip parts of the support bodies 5 are brought into contact with an upper mold and a lower mold when the bodies are mounted in a metal mold for resin sealing use; this assembly is sealed with the resin body 8. Thereby, it is possible to prevent the tip parts of the support bodies 5 from being deformed by a stress when the resin is injected; it is possible to prevent the metal thin wires from being cut.
Patent JP-S5841520-A (JP)
Inventor: OKANISHI SATORU
IPC: B01D29/13
Filed: 1982-08-12
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H10334706-A (JP)
Title: Automobile headlight
Inventor: FARNOUX THIERRY
IPC: F21S8/10
Filed: 1998-05-22
Abstract: PROBLEM TO BE SOLVED: To provide an automobile head light having striped grooves of a cover lens located in front of a reflector where the grooves do no significantly change the luminous intensity measuring method distribution of beams. SOLUTION: This headlight comprises a light source 10, a reflector 20 and an cover lens 30; the reflector 20 is capable of producing predetermined beams; the lens 30 is to received divergent emission having intermediate angles of incidence from the reflector 20. The lens 30 has consecutive striped grooves 31 in a zone covered by the divergent emissions so as to refract light laterally; the striped grooves 31 are facing the divergent emissions, each of the striped grooves 31 has an angle distribution law that is defined by the direction of light received from the reflector 20 and depending on the horizontal distribution characteristic of the striped grooves 31; the diffusion characteristic of the striped grooves 31 is so designed that its collective angle distribution law is almost constant.